> Is it possible to invoke goals multiple times with different sets of properties?
> Specifically, I'd like to be able to compile sub-sets of my source at
> different times during a build and to jar them into different jars. I'd like to
> do this by changing the values of properties used by the appropriate goals
> (java:compile and java:jar). If Jelly supports this, how do I do it?
<attainGoal name="java:compile"/>
I'm planning on a fix, though, that will make it so that a single goal
will typically only be attained once, regardless of how many times you
ask for it.
ie:
<attainGoal name="java:compile"/>
<attainGoal name="java:compile"/>
<attainGoal name="java:compile"/>
That block would attain it once, at most, if it hadn't already been
satisfied when the block was reached.
Though, I understand exactly what you're trying to do, and I'd suggest
we find a different way. That kinda turns our 'goal' semantic into a
'function' semantic, which I'd like to avoid.
We we want function/method/macro type of thing, then let's figure out
a good way to get those semantics, and not overload what a goal
really is.
Jelly has the jelly:define taglib, which allows you to use jelly
script to define jelly tags. Sounds like we might want to define
a tag for the java:compile functionality, say <maven-javac>,
that takes just a few arguments (whatever props you're setting before
calling the goal).
The java:compile goal would then simply be one of many users of the
<maven-javac> jellyscript jellytag.
-bob
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